<!DOCTYPE HTML>
<html lang="en">
<link rel="stylesheet" href="style.css" />
<head>
	<meta charset="UTF-8">
	<title></title>

</head>
<body>

<style>
div a{background-color:#E61061;}
div>span>a{background-color:#67B374;}
div+p{background-color:#0000FF;}
div+p+p{background-color:#808080;}
div+p+p+p{background-color:#808080;}
</style>
<div>
    <a>背景色是#E61061</a>
    <span>
		<a>背景色是#67B374</a>
    </span>
</div>
	<p>背景色是#0000FF</p>
<p>背景色是#808080</p>
<p>背景色是#808080</p>


</body>

</html>